National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-0746 Detail

Description

The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.

Source:  MITRE
Description Last Modified:  02/27/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/02/2009)

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG. This issue was addressed in Red Hat Enterprise Linux 5 by https://rhn.redhat.com/errata/RHSA-2009-1243.html

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugzilla.kernel.org/show_bug.cgi?id=12430
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7
http://rhn.redhat.com/errata/RHSA-2009-1243.html
http://www.debian.org/security/2009/dsa-1749
http://www.securityfocus.com/archive/1/507985/100/0/threaded
http://www.ubuntu.com/usn/usn-751-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/0509 Vendor Advisory
http://www.vupen.com/english/advisories/2009/3316
https://exchange.xforce.ibmcloud.com/vulnerabilities/48872
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10342
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8039

References to Check Content

Identifier:
oval:org.mitre.oval:def:10342
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10342
Identifier:
oval:org.mitre.oval:def:8039
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8039

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.6.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.6:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-0746
NVD Published Date:
02/27/2009
NVD Last Modified:
10/10/2018